Install nvidia-docker on proxmox with this easy guide.
Remove the blacklist from /etc/modprobe.d/pve-blacklist.conf by commenting out "nvidiafb" Add "non-free" to /etc/apt/sources.list deb http://ftp.us.debian.org/debian buster main contrib non-free apt-get update apt-get install nvidia-driver nvidia-smi Reboot! apt-get update ; apt-get install docker.io docker-compose curl -s -L https://nvidia.github.io/nvidia-docker/gpgkey | \ apt-key add - distribution=$(. /etc/os-release;echo $ID$VERSION_ID) curl -s -L https://nvidia.github.io/nvidia-docker/$distribution/nvidia-docker.list | \ tee /etc/apt/sources.list.d/nvidia-docker.list apt-get update ; apt-get install nvidia-docker2